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1991 Cadillac Seville 4.9L Poor Idle Quality
Posted to GM Driveability on 12/14/1999

Vehicle has an idle of [...] RPM only when moving. The strange thing is it only idles fast this way when moving. Once you come to a COMPLETE stop the idle will very slowly return to normal. It will maintain a speed of about 30 mph on its own with the brake...

  Related Documents & Media  1991 Cadillac Seville

 
Message Closed w/FIX

car Vehicle Data

1991 Cadillac Seville

VIN 1G6KS53B8M
Engine4.9 L / 8 cyl
SymptomsPoor Idle Quality
OccursAlways
Message Closed w/FIX

car Vehicle Data

1991 Cadillac Seville

VIN 1G6KS53B8M
Engine4.9 L / 8 cyl
SymptomsPoor Idle Quality
OccursAlways